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 * Copyright (c) 2019, 2020, Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2019, 2020, Datadog, Inc. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * The contents of this file are subject to the terms of either the Universal Permissive License
 * v 1.0 as shown at http://oss.oracle.com/licenses/upl
 *
 * or the following license:
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
 * and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided with
 * the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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package org.openjdk.jmc.flightrecorder.flameview.tree;

import java.util.ArrayList;
import java.util.List;

public class TraceNode {
	private final int value;
	private final String name;
	private final String packageName;
	private final List<TraceNode> children = new ArrayList<>();

	public TraceNode(String name, int value, String packageName) {
		this.name = name;
		this.value = value;
		this.packageName = packageName;
	}

	public int getValue() {
		return value;
	}

	public String getName() {
		return name;
	}

	public String getPackageName() {
		return packageName;
	}

	public List<TraceNode> getChildren() {
		return children;
	}

	public void addChild(TraceNode child) {
		children.add(child);
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((children == null) ? 0 : children.hashCode());
		result = prime * result + ((name == null) ? 0 : name.hashCode());
		result = prime * result + ((packageName == null) ? 0 : packageName.hashCode());
		result = prime * result + value;
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		TraceNode other = (TraceNode) obj;
		if (children == null) {
			if (other.children != null)
				return false;
		} else if (!children.equals(other.children))
			return false;
		if (name == null) {
			if (other.name != null)
				return false;
		} else if (!name.equals(other.name))
			return false;
		if (packageName == null) {
			if (other.packageName != null) {
				return false;
			}
		} else if (!packageName.equals(other.packageName))
			return false;
		if (value != other.value)
			return false;
		return true;
	}

	public String toString() {
		return "TraceNode [name: " + name + ", value: " + value + ", packageName: " + packageName + ", children: "
				+ children.size() + "]";
	}
}
